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Influence of corrosion processes on friction and wear of tin coatings of wire connectors

机译:腐蚀过程对电线连接器锡涂层摩擦磨损的影响

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摘要

The paper describes the results of metallographic, tribological, and microscopic tests of wire connectors. It was shown that the structure and thickness of the tin layer on the copper element varies greatly. The paper describes the results of tribological investigations for electrical connectors in the initial state and covered with a layer of oxides formed as a result of corrosion. The results of tribological tests have shown a great influence of the oxide layer on friction and wear of tin coatings. The results of friction factor measurements were confirmed by microscopic observations. The tests confirmed that the oxide layer reduces plastic deformation of the tin coating and limits its tribological wear. Due to the brittleness and low adhesion of the oxide layer, friction-induced chipping was observed.
机译:本文描述了电线连接器的金相、摩擦学和显微测试的结果。结果表明,铜元素上锡层的结构和厚度差异很大。本文描述了在初始状态下覆盖着一层因腐蚀而形成的氧化物的电连接器的摩擦学研究结果。摩擦学试验结果表明,氧化层对锡涂层的摩擦和磨损有很大影响。摩擦系数测量的结果通过显微镜观察得到证实。测试证实,氧化层减少了锡涂层的塑性变形,并限制了其摩擦磨损。由于氧化层的脆性和低附着力,观察到摩擦引起的崩裂。

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